Update dependency i18next-fs-backend to v2.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
i18next-fs-backend	2.1.5 -> 2.2.0

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Release Notes

i18next/i18next-fs-backend (i18next-fs-backend)

### [`v2.2.0`](https://togithub.com/i18next/i18next-fs-backend/compare/v2.1.5...v2.2.0) [Compare Source](https://togithub.com/i18next/i18next-fs-backend/compare/v2.1.5...v2.2.0)

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